Removal of surface multiples

Details Removal of surface multiples Removal of surface multiples

1982-12-27

1989-12-12

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

367 73, G01V 138

Patent

active

048872431

ABSTRACT:
A method of removing multiple surface reflection events from seismic data is disclosed. Pairs of real seismic traces having end points in common with a trace being analyzed are convolved with one another to yield synthetic multiple traces having real components. All possible combinations of real traces are thus convolved. These are then stacked to yield the synthetic multiple trace having the shortest total travel time, which is the synthetic multiple trace corresponding to the actual multiple reflection event recorded as part of the real trace being analyzed. The stacked synthetic multiple trace can then be subtracted from the real trace under analysis to yield a multiple-free seismic record for further processing.

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patent: 3421140 (1969-01-01), Kerns
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patent: 3599175 (1971-08-01), Hollingsworth et al.
Brewer, Richard, "How Horizontal Stacking Has Affected the Oil Industry," World Oil, Oct. 1967, pp. 137-149.
Attenuate Multiples, Advanced Geophysical Service Technology.

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